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3 years ago

20 pts

Mathematics

2 answers:

Bas_tet [7]3 years ago

6 0

Answer:

A(n) = 150 x (0.74) n-1 ; 33.29 cm

Step-by-step explanation:

1.5 meters turns into 150. & 74% turns to 0.74.

150 x (0.74) 6 -1 =

150 x (0.74) 5 = 33.285....

= round to 33.29

Leno4ka [110]3 years ago

4 0

a. This is the geometric sequence: a1 = 1.5 m = 150 cm, r = 0.74

The formula now is an = a1 x r ^ n-1

Just substitute a1 = 150 cm and r = 0.74

an = 150 x (0.74) ^ n – 1

b. The second part is:

A6 = 150 x 0.74 ^ 6-1

= 150 x 0.74 ^5

= 150 x 0.221906624

= 33.28509936 cm

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